三苔色酸

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| Name = 三苔色酸
| ImageFile = Gyrophoric acid h.svg
| ImageSize = 250px
| ImageName = Chemical structure of gyrophoric acid
| ImageAlt = Chemical structure of gyrophoric acid
| PIN = 4-({4-[(2,4-Dihydroxy-6-methylbenzoyl)oxy]-2-hydroxy-6-methylbenzoyl}oxy)-2-hydroxy-6-methylbenzoic acid
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'（，也译为石耳酸**）是一种有机化合物，分子式C24H20O10，属于三缩酚酸，存在于隐囊衣属、黄梅属等真菌以及疱脐衣属、石耳屬等地衣中。过去三苔色酸曾被视为是一种二缩酚酸，直到1925年确定其结构后才发现其分子由三个苔色酸（orsellinic acid）组成，且在地衣体内由二缩酚酸红粉苔酸转化得到，系一种三缩酚酸。

参考文献